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Henry Bushby Transcription pages


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General Principles.
(1) A r.k. is a knot expressed in
one of the figures of which ^ the charac-
ter is shown in vol ii. ad fin.
(2) Every complication can be expressed
as a r.k. but in this form it
may or may not show its least
no. of crossings.
(3) Every group (G) of ^ r. knots such ^ e.g.
as Plaits (P) or ^ and Torsions (K) has
alternate equal sequences of crossings
over & under.
(4) The sequence defines the group
& must be a (& may be any) measure
of (n - 1) from n - (n - 1) [=1] to
n - 1. Thus the seq. in P is 1 or
n - (n - 1); in K it is (n - 1). These
two groups represent the two ex-
tremes. Between them lie :-

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